/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/ObjectElements/DatasmithUObjectElements.h
Create a new actor binding and add it to this variant
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Datasmith | Scene") [UDatasmithActorBindingElement](API\Plugins\DatasmithImporter\ObjectElements\UDatasmithActorBindingElement) * CreateActorBinding()